PAGE 2 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
PROPOSITION 65 WARNING
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 3
NOTES
PAGE 4 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
TABLE OF CONTENTS
MRH601DS Vibratory Roller
Proposition 65 Warning ........................................... 2
Safety Information ............................................. 5–10
Specifications .................................................. 11–12
Dimensions ............................................................ 13
General Information ............................................... 14
Components .................................................... 15–16
Inspection ........................................................ 17–19
Operation ......................................................... 20–22
Maintenance .................................................... 23–28
Troubleshooting ............................................... 29–31
Wiring Diagram ...................................................... 32
NOTICE
Specifications and part numbers are subject to change
without notice.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 5
SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION
or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
The following table shows the potential hazards associated
with the operation of this equipment.
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
Respiratory hazards
Rotating parts hazards
Symbol Safety Hazard
Pressurized fluid hazards
Electric shock hazards
Runover hazards
PAGE 6 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
SAFETY INFORMATION
GENERAL SAFETY
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the infl uence of
drugs or alcohol.
ALWAYS check the equipment for loosened threads or
bolts before starting.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation will void all warranties.
NEVER
use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or
keep
a phone on the job site.
Also, know the phone numbers
of the nearest ambulance, doctor and
fi re department.
This information will be invaluable in the case of an
emergency.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 7
SAFETY INFORMATION
ROLLER SAFETY
DANGER
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
WARNING
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
CAUTION
NEVER lubricate components or attempt service on a
running machine.
Never leave the roller unattended with the engine
running. Turn off engine.
Use chock blocks when parking roller on a grade.
Use extreme care when operating near obstructions, on
slippery surfaces, grades, and slide slopes.
When reversing, particularly on the edges and banks
of ditches, as well as in front of obstaces, the operator
must stay in a standing position at a safe distance from
the machine.
When operating near any house/building or pipelines,
always check the effect of machine vibration. Stop work
if necessary.
DO NOT operate the roller with the covers open.
ALWAYS keep the machine away from other personnel
and obstacles. Always keep immediate are free of
bystanders.
NOTICE
ALWAYS keep the machine in proper running condition.
Fix damage to machine and replace any broken parts
immediately.
DO NOT use worn-out hoses or couplings. Inspect daily.
ALWAYS
store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
ENGINE SAFETY
DANGER
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment requires an adequate
free fl ow of cooling air. NEVER
operate this equipment
in any enclosed or narrow
area where free fl ow of the
air is restricted. If the air
fl ow is restricted it will cause
injury to people and property
and serious damage to the
equipment or engine.
WARNING
DO NOT
place hands or fingers inside engine
compartment when engine is running.
NEVER
operate the engine with heat shields or
guards removed.
Keep fi ngers, hands hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the engine oil drain plug
while the engine is hot. Hot oil will gush out of the oil
tank and severely scald any persons in the general area
of the roller.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
ALWAYS
turn the engine off before performing
maintenance.
DANGEROUS
GAS FUMES
PAGE 8 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
SAFETY INFORMATION
NOTICE
NEVER run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
NEVER tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
the engine start diffi cult.
FUEL SAFETY
DANGER
DO NOT add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
fi re due to static electricity.
DO NOT start the engine near spilled fuel or combustible
fl uids. Diesel fuel is extremely fl ammable and its vapors
can cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
FUEL
FUEL
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
BATTERY SAFETY (ELECTRIC START ONLY)
DANGER
DO NOT
drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open fl ames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
fl ame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
Use well-insulated gloves when picking up
the battery.
ALWAYS
keep the battery charged. If the battery is not
charged, combustible gas will build up.
DO NOT
charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
ALWAYS
recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gases.
If the battery liquid (dilute sulfuric acid)
comes into contact with clothing or skin,
rinse skin or clothing immediately with
plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes
, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 9
SAFETY INFORMATION
CAUTION
ALWAYS disconnect the NEGATIVE battery terminal
before performing service on the equipment.
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
TRANSPORTING SAFETY
CAUTION
NEVER allow any person or animal to stand underneath
the equipment while lifting.
NOTICE
Before lifting, make sure that the equipment parts are not
damaged and screws are not loose or missing.
Use lifting equipment capable of lifting the weight of
the roller.
ALWAYS make sure crane or lifitng device has
been properly secured to the lifting bail (hook) of the
equipment.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
Use adequate lifting cable (wire or rope) of suffi cient
strength.
Use one point suspension hook and lift straight upwards
with suffi cient bearing capacity to prevent machine from
tilting or slipping.
DO NOT lift machine to unnecessary heights.
ALWAYS make sure that roller is secured correctly when
transporting on a trailer. Make sure all supports attaching
the roller to the trailer are tight.
ENVIRONMENTAL SAFETY/DECOMMISSIONING
NOTICE
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement),be
sure to follow rules below:
DO NOT
pour waste or oil directly onto the ground, down
a drain or into any water source.
Contact your country's Department of Public
Works or recycling agency in your area and
arrange for proper disposal of any electrical
components, waste or oil associated with this
equipment.
When the life cycle of this equipment is over, remove battery
and bring to appropriate facility for lead reclamation. Use
safety precautions when handling batteries that contain
sulfuric acid.
When the life cycle of this equipment is over, it is
recommended that the trowel frame and all other metal
parts be sent to a recycling center.
Metal recycling involves the collection of metal from
discarded products and its transformation into raw materials
to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process of
recycling metal. Using a metal recycling center promotes
energy cost savings.
PAGE 10 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
SAFETY INFORMATION
EMISSIONS INFORMATION
NOTICE
The diesel engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
contained in diesel exhaust emissions.
This engine has been certifi ed to meet US EPA Evaporative
emissions requirements in the installed confi guration.
Attempting to modify or make adjustments to the engine
emission system by unauthorized personnel without proper
training could damage the equipment or create an unsafe
condition.
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
Emission Control Label
The emission control label is an integral part of the emission
system and is strictly controlled by regulations.
The label must remain with the engine for its entire life.
If a replacement emission label is needed, please contact
your authorized Kubota Engine Distributor.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 11
SPECIFICATIONS
Table 1. Specifications (Vibratory Roller)
Dimensions (L x H x W)
89.14 x 47.05 x 27.24 in
(2265 x 1195 x 692 mm)
Drum Diameter 13.98 in. (355 mm)
Drum Width 25.59 in. (650 mm)
Distance between Axes 20.47 in. (520 mm)
Weight 1214.75 lbs. (551 kg)
Vibration Frequency 3,300 vpm (55 Hz)
Centrifugal Force 2,428 lbf (10.8 kN)
Gradeablility 35 % (20°)
Working Speed 0 - 1.86 mph (0 - 3 kph)
Lubricating Oil 5.8 gallons (22 liters)
Water Tank Capacity 7.92 gallons (30 liters)
PAGE 12 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
Table 2. Specifications (Engine)
Engine Model Kubota EA330-E3-NB3-HGMS-1
Engine Type Diesel
Maximum Output 6.2 HP (4.6 kW)
Fuel Tank Capacity 5.6 quarts (5.4 liters)
Starting System Electric
Max. Set Speed of Rotation 2,650
SPECIFICATIONS
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 13
DIMENSIONS
Table 3. MRH601DS Dimensions
A 52.4 in. 1330 mm.
B 89.2 in. 2265 mm.
C 47.0 in. 1195 mm.
D 67.1 in. 1705 mm.
E 27.2 in. 692 mm.
F 25.6 in. 650 mm.
Figure 1. MRH601DS Dimensions
A
B
C
D
E
F
PAGE 14 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
GENERAL INFORMATION
The Mikasa Model MRH601DS is a powerful compacting
tool capable of applying tremendous force in consecutive
impacts to a soil surface. Its applications include soil
compacting for backfilling for gas pipelines, water pipelines
and cable installation work.
The impact force of the MRH601DS levels and uniformly
compacts voids between soil particles to increase dry
density.
Features include:
Hydraulic transmission to allow speed change without
gear shifting.
Deadman device which when pressed or hit will cause
the travel lever to return to neutral position bringing the
machine to a stop.
A horn to warn of machine’s approach.
An hourmeter/tachometer to measure runtime and rpm.
Non-corrosive water tank for the sprinkler system with
a capacity of 7.9 gallons (30 liters).
Lifting hook to transport machine.
Front bumper and working light.
Narrow profile with less than one inch wall clearance.
Narrower width allows access to tighter areas. No
exposed hydraulic hoses.
Oil bath lubricated bearings and external vibration for
less servicing and more dependability.
Front and rear drum scrapers.
Drum sprinkler system controls located near the operator.
Easy access to hydraulic components and hydraulic filter.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 15
COMPONENTS
Figure 2. MRH601DS Components
1
2
3
4
5
6
8
9
710
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
3031
PAGE 16 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
COMPONENTS
Figure 2 illustrates the location of the major components
for the MRH601DS Vibration Roller. The function of each
component is described below:
1. Traveling Lever — Push the lever forward, the roller will
move in a forward direction, pull the lever backwards,
the roller will move in a backwards direction. Placing
the lever in the middle (midway) will cause the roller
not to move (neutral).
2. Handle Bar — When operating the roller, this handle
is to be in the downward position. When the roller is to
be stored, move the handle bar to the upright position.
3. Water Tank — Holds 7.9 gallons (30 liters) of water for
the sprinkler system.
4. Water Tank Cap — Open to fill water tank.
5. Lifting Hook — Used to lift unit with crane or other
lifting device when transporting.
6. Oil Tank — Fill with proper grade of hydraulic oil.
7. Horn — Gives a warning sound of the machine
approaching, for jobsite safety.
8. Front Headlights — Activate using switch on control
handle. Used to illuminate ground during nighttime or
low-light operating conditions.
9. Scraper (In) — Prevents buildup of material between
the drums.
10. Scraper (Out) — Prevents buildup of material between
the drum and the frame.
11. Engine Starting Switch — ON position permits engine
starting, OFF position stops engine operation.
12. Vibration ON/OFF Switch — Turns vibration on and
off.
13. Handlebar Stopper Pin — Locks handlebar in place.
14. Fuel Tank/Cap — Fill with diesel fuel. Fuel tank holds
approximately 2 gallons (7.5 liters). DO NOT top off
fuel. Wipe up any spilled fuel immediately.
15. Coolant Radiator Cap — Open to fill radiator with
coolant.
16. Breather Cap — Allow pressure to escape to the air
in the form of a gas from heat.
17. Hydraulic Oil Filler Port— Used to fill hydraulic oil
tank.
18. Battery — Provides +12VDC to the electrical system.
Replace only with recommended type battery.
19. Dead-Man Device — When pressed or hit while
traveling in reverse, causes the travel lever to return
to neutral position to stop the machine.
20. Muffler — Used to reduce noise and emissions.
21. Air Cleaner — Prevents dirt and other debris from
entering the fuel system.
22. Engine Oil Filler Port — Used to fill engine oil.
23. Fuel Cock — Controls the flow of diesel fuel to the
engine. Must be in the ON position when starting and
running the engine.
24. Throttle Lever — Placed in operation position at start
up.
25. Stopper — Holds handlebar.
26. Drain Outlet — Drains out the water from the water
tank.
27. Headlight ON/OFF Switch — Turns the headlight on
and off.
28. Horn Button — Press this button to sound horn.
29. Hour/Tacho Meter — Measures the run time of the
unit. During operation it displays the rpm reading.
30. Parking Brake — Makes sure machine will not
accidentally move when parked or not in use. Move
lever to the left to place parking brake in the locked
position.
31. Sprinkler Cock — Turns on the sprinklers (front and
rear drums).
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 17
INSPECTION
BEFORE STARTING
Before starting the roller:
1. Read safety information at the beginning of manual.
2. Understand the geographical features and regulations
of the job site.
3. Check the items listed in Table 4:
Table 4. Inspection Points
Item Check
Parking Brake Movement
Wheel Stopper Broken
Body (Frame) Cracks, Skewness
Lifting Hook
Broken, Cracks, Loose, Bolts
and Nuts falling off
Fuel Tank Leak, Quantity of Fuel, Dirt
Fuel System Leak
Fuel Filter Dirt
Engine Oil Leak, Quantity of Oil, Dirt
Coolant Leak, Quantity of Water
Oil Tank Leak, Quantity of Oil, Dirt
Vibrator V-belt Cracks,Tension
Engine Fan Belt Cracks, Tension
Oil Pressure Pipe-Line
System
Leak, Looseness, Crack,
Abrasion
Water Pipe Line
System
Leak, Looseness, Crack,
Abrasion
Horn Operation (if working)
Headlight Operation (if working)
Traveling Lever
Broken, Cracks, Loose, Bolts
and Nuts falling off
Deadman Device Operation (if working)
Scraper Curve, Damage, Adjustment
Bolt, Nuts Looseness, Falling off
ENGINE OIL CHECK
1. To check the engine oil level, place the machine on
secure level ground with the engine stopped.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 3) and wipe clean.
Figure 3. Engine Oil Level
3. Insert and then remove the dipstick again. Check that
the oil level is between the two oil level marks on the
dipstick (Figure 3).
4. If the oil level is low, fill to the edge of the oil filler hole
with the recommended oil type (Table 5). Maximum oil
capacity is 1.37 quarts (1.3 liters).
OIL FILLER
HOLE
OIL LEVEL
MARKS
Table 5. Oil Type
Season Temperature Oil Type
Summer 25°C or Higher SAE 10W-30
Spring/Fall 25°C~10°C SAE 10W-30/20
Winter 0°C or Lower SAE 10W-10
PAGE 18 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
CHECKING THE HYDRAULIC SYSTEM
1. Check the oil level gauge (Figure 4). Oil level should
be at the reference point or higher. Fill as required.
Figure 4. Hydraulic System Oil Level Gauge
2. Check the hydraulic pump and hydraulic motor for
damage.
3. Check for loosening of hose and pipes, and check for
oil leaking part.
4. Check to see if the hydraulic oil looks whitish and
cloudy.
CHECKING THE V-BELT
1. Check the looseness of V-belt. When the tension is
low, the vibration become weak or V-belt tends to get
damaged (Figure 5).
Figure 5. Checking V-Belt Tension
OIL FILLER PORT
OIL LEVEL GAUGE
OIL SURFACE
REFERENCE POINT
(Red Round Shape)
HYDRAULIC
OIL TANK
DANGER
ALWAYS keep hands and fingers away
from pinch points. DO NOT allow anyone
to reach in on dangerous sections of the
machine to avoid any accidents.
ELECTROMAGNETIC CLUTCH
V-BELT
INSPECTION
ELECTROMAGNETIC CLUTCH INSPECTION
1. The clutch friction surface gets worn out gradually over
the course of machine use, which results in increase
in the gap. When this gap exceeds more than 0.5 mm
(gap limit), the clutch operation failure occurs or the
engagement function of the clutch fails. This indicates
that the electromagnetic clutch needs to be replaced.
2. The temperature of the surface of the electromagnetic
clutch might rise to about 194° to 212° (90° to 100°C)
due to built-in coil. Make sure that the peripheral
temperature does not become higher than 176°F
(80°C).
FUEL CHECK
1. Remove the fuel cap located on top of the engine fuel
tank.
2. Visually inspect to see if the fuel level is low. If fuel is
low, replenish with unleaded gasoline using a strainer
for filtration. DO NOT top-off fuel. Wipe up any spilled
fuel immediately!
Table 6. Electromagnetic Clutch Specifications
(For Vibration)
Item Check
Static friction torque 25 Nm (2.5 kg m)
Rated voltage DC12V
Capacity 20W
Coil resistance 6.6Ωf
Gap limit 0.5 mm
CAUTION
Before inspection of electromagnetic clutch, always
stop the engine to prevent possibility of your hand or
clothes getting caught in rotating parts. Be careful not
to burn your hand when checking the temperature.
DANGER
Motor fuel is highly flammable and can
be dangerous if mishandled. DO NOT
smoke while refueling. DO NOT attempt
to refuel the pump if the engine is hot
or running.
MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20) — PAGE 19
INSPECTION
CHECKING WATER TANK
1. Check the water tank to see if filled. Add water
if necessary. The water tank has a capacity of
approximately 10 gallons (40 liters). See Figure 6.
Figure 6. Checking Water Tank
CHECKING SPRINKLER
1. Move the sprinkler cocks for both the rear and front
drums to the open position and confirm that the water
flows normally.
Figure 7. Sprinkler Check
CHECKING LEVERS AND HORN
1. Check travel and throttle levers to make sure they are
functioning properly (Figure 8).
2. Turn on the light switch and confirm that the headlight
comes on (Figure 8).
3. Press the horn and verify that it sounds normally
(Figure 8).
WATER TANK
WATER TANK CAP
CAUTION
Be careful not to confuse the water tank with the oil tank.
SPRINKLER COCKS
NEPONEPO
CLOSE CLOSE
Figure 8. Levers, Horn, and Light Check
4. With travel lever placed in reverse, push the deadman
device and verify that the travel lever returns to neutral
position. The travel lever stays in neutral position once
the deadman device is released (Figure 9).
Figure 9. Deadman Device Check
CHECKING SCRAPERS
1. Check scrapers and make sure that they are not
clogged with mud, bent or damaged (Figure 10).
Figure 10. Checking Scrapers
2. Adjust clearance between drums and scrapers as
necessary.
CHECKING BOLTS, NUTS AND SCREWS
1. Check bolts, nuts, and screws on various parts of the
machine, including the engine, for proper tightness.
TRAVEL LEVER
THROTTLE LEVER
HORN BUTTON
LIGHT SWITCH
(ON-OFF)
“PRESS”
STOP(NEUTRAL)
REVERSE
FORWARD
DEADMAN
DEVICE
TRAVEL
LEVER
SCRAPPER SCRAPPER
PAGE 20 — MRH601DS VIBRATORY ROLLER • OPERATION MANUAL — REV. #1 (06/10/20)
OPERATION
STARTING
1. Move the throttle lever to the operation position
(Figure 11).
Figure 11. Throttle Lever (Operation Position)
2. Move the travel lever to the stop (neutral) position
(Figure 12).
3. Move the vibration on/off switch to the off position
(Figure 12).
4. Move the light switch to the off position (Figure 12).
Figure 12. Travel Lever, Vibration Switch and
LIght Switch
CAUTION
DO NOT attempt to operate the roller
until the Safety Information, General
Information, and Inspection sections
of this manual have been read and
thoroughly understood.
CAUTION
When the engine is running, never turn the starter key
to the START position.
THROTTLE LEVER
OPERATION
STOP
TRAVEL
LEVER
VIBRATION SWITCH
(ON-OFF)
LIGHT SWITCH
STOP(NEUTRAL)
OFF
OFF
5. Open the fuel cock.
6. Insert the key into the key switch and turn it to the
operation position (Figure 13). The buzzer should
sound at this time.
Figure 13. Starter Key (Operation Position)
7. Turn the key to preheat position and wait until the glow
lamp lights (about 5 seconds). The glow lamp goes out
automatically after 5 seconds.
8. After preheat is complete, turn the key to the start
position. After the engine is started, take your hand
off the key. Buzzer stops when the engine speed
increases.
9. Turn the starter key further to the right to the start
position (Figure 13) to start the engine. Buzzer stops
sounding when the engine speed increases.
10. If the engine fails to start, do not continue to rotate the
starter key for more than 5 seconds. Return the key
to the operation position and wait 20 to 30 seconds
before starting again.
11. After starting the engine, continue to warm up the
engine for about 3 to 10 seconds especially in cold
weather.
GLOW LAMP
KEY SWITCH
KEY SWITCH
PREHEAT
(GL)
OPERATION
(ON)
STOP
(OFF)
START
(ST)
NOTICE
Machine will not start if the travel lever is not at the
stop position.
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